With more than 180 members, ESA represents a diverse group of companies, including independent power producers, electric utilities, energy service companies, financiers, insurers, law firms, installers, manufacturers, component suppliers and integrators involved in deploying energy storage systems around the globe. Interested in becoming a member?
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Leadership Circle Members

Able Grid
    Clearway Energy Group
      Con Edison Battery Storage
        Duke
        • Board Member
        e-on
          East Penn
            EDF
              Enel
              • Board Member
              Fluence
              • Board Member
              GE Renewable Energy
              • Board Member
              Google
                Invenergy LLC
                  Key Capture Energy
                    LG Chem Ltd
                      Lockheed Martin Energy
                        LS Energy Solutions
                          MAP Energy
                            Mortenson
                              National Grid
                                New York Power Authority (NYPA)
                                  NextEra Energy, Inc.
                                    Oncor
                                      PPL Corporation
                                        Shell New Energies US
                                          Stem Inc.
                                            Swinerton Renewable Energy
                                            • Board Member
                                            Trane

                                              Full Members

                                              8Minute Solar Energy
                                                Acciona Energy USA
                                                  Advanced Microgrid Systems
                                                    Aggreko
                                                      Amber Kinetics
                                                        Ameresco, Inc.
                                                        • Board Member
                                                        American Municipal Power, Inc
                                                          Argonne National Laboratory
                                                            Arizona Public Service
                                                              Ascend Analytics
                                                                Blymyer Engineers, Inc
                                                                  Bonneville Power Administration
                                                                    Brenmiller Energy
                                                                      California Independent System Operator
                                                                        Candela Renewables
                                                                          Citizens Energy Corporation
                                                                            Clean Feet Investers I, LLC
                                                                              CleanCapital
                                                                                Cobra Instalaciones y Servicios
                                                                                  Coffman Engineers
                                                                                    Convergent Energy + Power
                                                                                      CSA Group
                                                                                        Customized Energy Solutions, LTD.
                                                                                        • Sponsorship Partner
                                                                                        Cypress Creek Renewables
                                                                                          Dimension Renewable Energy
                                                                                            DNV GL Energy
                                                                                              Doosan GridTech
                                                                                                Duke
                                                                                                • Board Member
                                                                                                Dynapower Company LLC
                                                                                                  e2comply, LLC.
                                                                                                    East Point Energy
                                                                                                      EDP Renewables North America
                                                                                                        Enel
                                                                                                        • Board Member
                                                                                                        Energy Intelligence Partners
                                                                                                          Enertis Solar Inc
                                                                                                            ENGIE North America
                                                                                                            • Board Member
                                                                                                            Entergy
                                                                                                              Eos Energy Storage
                                                                                                                EPC Power Corp
                                                                                                                  EPRI
                                                                                                                    EsVolta LP
                                                                                                                      EVgo
                                                                                                                      • Board Member
                                                                                                                      FastGrid
                                                                                                                        FlexGen
                                                                                                                          Fluence
                                                                                                                          • Board Member
                                                                                                                          Foley Hoag LLP
                                                                                                                            Forefront Power Development
                                                                                                                              GE Renewable Energy
                                                                                                                              • Board Member
                                                                                                                              GlidePath Power Solutions
                                                                                                                                Gravity Storage Inc.
                                                                                                                                  Green Power EMC
                                                                                                                                    Hannon Armstrong
                                                                                                                                      Hanwha Energy USA
                                                                                                                                        Hecate Grid LLC
                                                                                                                                          Highview Power Storage
                                                                                                                                            Hotstart
                                                                                                                                              Hydrogenics Corporation
                                                                                                                                                Hydrostor
                                                                                                                                                  Hyosung Corporation
                                                                                                                                                    IHI Energy Storage
                                                                                                                                                      Innolith AG
                                                                                                                                                        Innovation Core SEI, Inc. (Sumitomo Electric Group)
                                                                                                                                                          Intertek Testing Services, NA
                                                                                                                                                            Jupiter Power LLC
                                                                                                                                                              K&L Gates
                                                                                                                                                                Kiewit
                                                                                                                                                                  Kilpatrick Townsend & Stockton LLP
                                                                                                                                                                    KORE Power
                                                                                                                                                                      LendLease Energy Development
                                                                                                                                                                        Li-Ion Tamer
                                                                                                                                                                          Longitude 122 West
                                                                                                                                                                            LS Power Development
                                                                                                                                                                              Maxwell Technologies, Inc.
                                                                                                                                                                              • Sponsorship Partner
                                                                                                                                                                              Mitsubishi Electric Power Products, Inc.
                                                                                                                                                                                Morrison & Foerster LLP
                                                                                                                                                                                  NantEnergy
                                                                                                                                                                                    National Rural Electrical Cooperative Association
                                                                                                                                                                                      National Rural Utilities Cooperative Finance Corporation (CFC)
                                                                                                                                                                                      • Board Member
                                                                                                                                                                                      Navigant Consulting
                                                                                                                                                                                        NEC Energy Solutions
                                                                                                                                                                                          Nikola Power
                                                                                                                                                                                            North American Development Bank
                                                                                                                                                                                              Oatfield LLC
                                                                                                                                                                                                Open Road Renewables
                                                                                                                                                                                                  Origis Energy USA
                                                                                                                                                                                                    Orsted Energy Storage and Solar
                                                                                                                                                                                                      Pacific Gas and Electric Company
                                                                                                                                                                                                      • Board Member
                                                                                                                                                                                                      Pacific Northwest National Laboratory
                                                                                                                                                                                                        Panasonic
                                                                                                                                                                                                          Pattern Energy Group
                                                                                                                                                                                                            Peak Power
                                                                                                                                                                                                              Pierce Atwood LLP
                                                                                                                                                                                                                Pine Gate Renewables
                                                                                                                                                                                                                  Plus Power
                                                                                                                                                                                                                    PowerSecure Inc.
                                                                                                                                                                                                                      Powin Energy
                                                                                                                                                                                                                        Prisma Energy Solutions, LLC.
                                                                                                                                                                                                                          Rappahannock Electric Cooperative
                                                                                                                                                                                                                          • Board Member
                                                                                                                                                                                                                          Recurrent Energy
                                                                                                                                                                                                                            RES Group
                                                                                                                                                                                                                              S3.Energy
                                                                                                                                                                                                                                Salt River Project
                                                                                                                                                                                                                                  SaltX Technology
                                                                                                                                                                                                                                    San Diego Gas & Electric
                                                                                                                                                                                                                                      Sandia National Laboratories
                                                                                                                                                                                                                                        Savion, LLC
                                                                                                                                                                                                                                          Shaw Consulting
                                                                                                                                                                                                                                          • Board Member
                                                                                                                                                                                                                                          Siemens Gamesa
                                                                                                                                                                                                                                            Sinexcel
                                                                                                                                                                                                                                              SMA - America
                                                                                                                                                                                                                                                SNC-Lavalin
                                                                                                                                                                                                                                                  Solar Turbines
                                                                                                                                                                                                                                                    Southern California Edison
                                                                                                                                                                                                                                                      Southern Company
                                                                                                                                                                                                                                                        Southern Research
                                                                                                                                                                                                                                                          Spano VPP DevCo LLC
                                                                                                                                                                                                                                                            Standard Solar
                                                                                                                                                                                                                                                              Stantec
                                                                                                                                                                                                                                                                Sterling Municipal Light Company
                                                                                                                                                                                                                                                                  Strata Solar
                                                                                                                                                                                                                                                                    Sungrow
                                                                                                                                                                                                                                                                      Sunnova
                                                                                                                                                                                                                                                                        Sunwoda Electronic Co., Ltd.
                                                                                                                                                                                                                                                                          Swinerton Renewable Energy
                                                                                                                                                                                                                                                                          • Board Member
                                                                                                                                                                                                                                                                          Tennessee Valley Authority
                                                                                                                                                                                                                                                                            UL
                                                                                                                                                                                                                                                                              UniEnergy Technologies
                                                                                                                                                                                                                                                                                Viking Cold Solutions
                                                                                                                                                                                                                                                                                  Vionx Energy
                                                                                                                                                                                                                                                                                    Viridity Energy
                                                                                                                                                                                                                                                                                      VRB Energy
                                                                                                                                                                                                                                                                                        Wärtsilä
                                                                                                                                                                                                                                                                                          Westwood Professional Services
                                                                                                                                                                                                                                                                                            WGL Energy

                                                                                                                                                                                                                                                                                              Associate Members

                                                                                                                                                                                                                                                                                              California Energy Storage Alliance
                                                                                                                                                                                                                                                                                              • Organizational
                                                                                                                                                                                                                                                                                              Edison Electric Institute
                                                                                                                                                                                                                                                                                              • Organizational
                                                                                                                                                                                                                                                                                              North Carolina Sustainable Energy Association
                                                                                                                                                                                                                                                                                              • Organizational

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